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//===--- PersistentParserState.cpp - Parser State Implementation ----------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// This file implements parser state persistent across multiple parses.
//
//===----------------------------------------------------------------------===//
#include "swift/AST/ASTContext.h"
#include "swift/AST/Decl.h"
#include "swift/AST/Expr.h"
#include "swift/Basic/Assertions.h"
#include "swift/Basic/SourceManager.h"
#include "swift/Parse/PersistentParserState.h"
using namespace swift;
PersistentParserState::PersistentParserState() { }
PersistentParserState::~PersistentParserState() { }
void PersistentParserState::setIDEInspectionDelayedDeclState(
SourceManager &SM, unsigned BufferID, IDEInspectionDelayedDeclKind Kind,
DeclContext *ParentContext, SourceRange BodyRange, SourceLoc PreviousLoc) {
assert(!IDEInspectionDelayedDeclStat.get() &&
"only one decl can be delayed for code completion");
unsigned startOffset = SM.getLocOffsetInBuffer(BodyRange.Start, BufferID);
unsigned endOffset = SM.getLocOffsetInBuffer(BodyRange.End, BufferID);
unsigned prevOffset = ~0U;
if (PreviousLoc.isValid())
prevOffset = SM.getLocOffsetInBuffer(PreviousLoc, BufferID);
IDEInspectionDelayedDeclStat.reset(new IDEInspectionDelayedDeclState(
Kind, ParentContext, startOffset, endOffset, prevOffset));
}
void PersistentParserState::restoreIDEInspectionDelayedDeclState(
const IDEInspectionDelayedDeclState &other) {
IDEInspectionDelayedDeclStat.reset(new IDEInspectionDelayedDeclState(
other.Kind, other.ParentContext, other.StartOffset, other.EndOffset,
other.PrevOffset));
}
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